/*

* Copyright 2016 WebAssembly Community Group participants

*

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

*

* http://www.apache.org/licenses/LICENSE-2.0

*

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

*/

//

// Removes memory segments, leaving only code in the module. It also removes

// the start function, which (in LLVM use cases) is only used for initializing

// the memory.

#include <pass.h>

#include <wasm.h>

namespace wasm {

struct RemoveMemoryInit : public Pass {

void run(Module* module) override {

module->removeDataSegments([&](DataSegment* curr) { return true; });

if (module->start) {

module->removeFunction(module->start);

module->start = Name();

}

}

};

Pass* createRemoveMemoryInitPass() { return new RemoveMemoryInit(); }

} // namespace wasm